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Fix memleak in gst.Pad.set_blocked_async()

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Original commit message from CVS:
reviewed by: Edward Hervey  <edward.hervey@collabora.co.uk>
* gst/gstpad.override:
* testsuite/test_pad.py:
Fix memleak in gst.Pad.set_blocked_async()
Fixes #514717
This commit is contained in:
Edward Hervey 2008-02-10 13:33:26 +00:00
parent 23379fcd1c
commit c68b638588
3 changed files with 42 additions and 0 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2008-02-10 Alessandro Decina <alessandro@nnva.org>
reviewed by: Edward Hervey <edward.hervey@collabora.co.uk>
* gst/gstpad.override:
* testsuite/test_pad.py:
Fix memleak in gst.Pad.set_blocked_async()
Fixes #514717
2008-02-10 Edward Hervey <edward.hervey@collabora.co.uk>
* gst/gstpad.override:

1
gst/gstpad.override
View file

@ -1343,6 +1343,7 @@ pad_block_callback_marshal(GstPad *pad, gboolean blocked, gpointer user_data)
ret = PyObject_CallObject(callback, args);
Py_DECREF(args);
Py_DECREF(py_user_data);
if (!ret)
PyErr_Print();

33
testsuite/test_pad.py
View file

@ -516,5 +516,38 @@ class PadRefCountTest(TestCase):
self.assertEquals(self.gccollect(), 1) # collected the pad
gst.debug('going into teardown')
class PadBlockRefcountTest(TestCase):
def testCallbackRefcount(self):
def blocked_cb(pad, blocked):
self.assertTrue(pad.set_blocked_async(False, unblocked_cb))
def unblocked_cb(pad, blocked):
pass
cb_refcount = sys.getrefcount(blocked_cb)
# sys.getrefcount() returns refcount + 1
self.assertEquals(cb_refcount, 2)
fakesrc = gst.element_factory_make('fakesrc')
fakesrc.props.num_buffers = 2
fakesink = gst.element_factory_make('fakesink')
pipeline = gst.Pipeline()
pipeline.add(fakesrc, fakesink)
fakesrc.link(fakesink)
pad = fakesrc.get_pad('src')
pad.set_blocked_async(True, blocked_cb)
pipeline.set_state(gst.STATE_PLAYING)
pipeline.get_bus().poll(gst.MESSAGE_EOS, -1)
pipeline.set_state(gst.STATE_NULL)
# check that we don't leak a ref to the callback
cb_refcount_after = sys.getrefcount(blocked_cb)
self.assertEquals(cb_refcount_after, cb_refcount)
if __name__ == "__main__":
unittest.main()